Chehel Qez va Siah Darreh (Persian: چهل قزوسياه دره, also Romanized as Chehel Qez va Sīāh Darreh; also known as Sīāh Darreh and Chehel Qez)[1] is a village in Hesar-e Amir Rural District, in the Central District of Pakdasht County, Tehran Province, Iran.

At the 2006 census, its population was 875, in 201 families.

[2] This Pakdasht County location article is a stub.

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